diff options
Diffstat (limited to 'drivers/counter/Kconfig')
| -rw-r--r-- | drivers/counter/Kconfig | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/counter/Kconfig b/drivers/counter/Kconfig index 4228be917038..bca21df51168 100644 --- a/drivers/counter/Kconfig +++ b/drivers/counter/Kconfig @@ -10,20 +10,37 @@ menuconfig COUNTER interface. You only need to enable this, if you also want to enable one or more of the counter device drivers below. +config I8254 + tristate + select COUNTER + select REGMAP + help + Enables support for the i8254 interface library functions. The i8254 + interface library provides functions to facilitate communication with + interfaces compatible with the venerable Intel 8254 Programmable + Interval Timer (PIT). The Intel 825x family of chips was first + released in the early 1980s but compatible interfaces are nowadays + typically found embedded in larger VLSI processing chips and FPGA + components. + + If built as a module its name will be i8254. + if COUNTER config 104_QUAD_8 tristate "ACCES 104-QUAD-8 driver" depends on (PC104 && X86) || COMPILE_TEST + depends on HAS_IOPORT_MAP select ISA_BUS_API + select REGMAP_MMIO help Say yes here to build support for the ACCES 104-QUAD-8 quadrature encoder counter/interface device family (104-QUAD-8, 104-QUAD-4). A counter's respective error flag may be cleared by performing a write - operation on the respective count value attribute. Although the - 104-QUAD-8 counters have a 25-bit range, only the lower 24 bits may be - set, either directly or via the counter's preset attribute. + operation on the respective count value attribute. The 104-QUAD-8 + counters may be set either directly or via the counter's preset + attribute. The base port addresses for the devices may be configured via the base array module parameter. The interrupt line numbers for the devices may |